Title:
不織布
Document Type and Number:
Japanese Patent JP6966859
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a non-woven fabric which has excellent shape retainability though it is a non-woven fabric single layer and can be suitably used as a filter medium of high air permeability amount, in particular, and the manufacturing method.SOLUTION: A non-woven fabric has a bending resistance by a handleometer method in the range of 300mN or more and 900mN or less and air permeability in the range of 500cm/cm/s or more and 800cm/cm/s or less. A manufacturing method of the non-woven fabric has injection quantity of heating compressed air to be jetted when discharging resin from a spinning nozzle in the range of 200Nm/hr or more and 600Nm/hr or less in a melt-blow method.SELECTED DRAWING: None
More Like This:
Inventors:
Yuichi Takeda
Masashi Ito
Takehiko Hirahara
Masashi Ito
Takehiko Hirahara
Application Number:
JP2017071131A
Publication Date:
November 17, 2021
Filing Date:
March 31, 2017
Export Citation:
Assignee:
Toray Fine Chemicals Co., Ltd.
International Classes:
D04H3/16
Domestic Patent References:
| JP2006274457A | ||||
| JP2015092038A | ||||
| JP2007145914A | ||||
| JP11293555A | ||||
| JP2012122922A | ||||
| JP8224412A | ||||
| JP10245772A |
Attorney, Agent or Firm:
Hiroki Shirai
Reiko Yoshida
Reiko Yoshida